TY - BOOK AU - Levitt,Steven D. AU - Dubner,Stephen J. TI - Freakonomics: a rogue economist explores the hidden side of everything SN - 9780141030081 PY - 2009/// CY - London PB - Penguin KW - Economics KW - Psychological aspects KW - Sociological aspects N1 - Includes bibliographical references and index ER -